TO BE PAST
WERE
Only Plural
YOU
WE
THEY
INTERROGATIVE
We use the past simple interrogative, to ask questions that are related to the past.
were you playing football?
NEGATIVE
When we use the negative simple past, the subject is denying an event that he did not do in the past
I wasn´t playing footall
WAS
Only Singular
I
HE
SHE
IT
AFFIRMATIVE
When you use the affirmative past simple, you are asserting an event that the subject or person did in the past
he was playing football